Seven heuristic ways to design a chemical reactor?
Seven heuristic ways to design a chemical reactor?
Homework Answers
STEPS TO DESIGN CHEMICAL REACTOR
1. Collect Required Data
(Enthalpy of Reaction, Equilibrium Constant and Gibbs Free Energy, Reaction Mechanisms, Rate Equations, and Rate Constants, Heat and Mass Transfer Properties)
2. Select Reaction Conditions
(Chemical or Biochemical Reaction, Catalyst, Temperature, Pressure,Reaction Phase,Solvent, Concentrations)
3. Determine Materials of Construction
4: Determine Rate-Limiting Step and Critical Sizing Parameters
5: Preliminary Sizing, Layout, and Costing of Reactor
6: Estimate Reactor Performance
7: Optimize the Design
Consider a chemical reactor that has a constant heat release. In this reactor, there are 1-m...
Consider a chemical reactor that has a constant heat release. In this reactor, there are 1-m long cylindrical pipes (L) have inner diameter of 25 mm (D) and Helium gas enters each of the pipe at 400K (Ti) and exits at 800K (Te) that is used to cool the reactor at atmospheric pressure and has mass flow rate as 0.02 kg/s. Determine; (Helium properties at Tf; ρ=0.08 kg/m3; Cp=5200 J/kg.K; µ= 32*10-6 kg.m/s ; k=0.23 W/m.K; Pr= 0.72) the surface...
A reactor, which will contain corrosive liquid, has been design. If the reactor is made of...
A reactor, which will contain corrosive liquid, has been design. If the reactor is made of mild steel, the initial installed cost will be $6000, and the useful life period will be 4 years. Since stainless steel is highly resistant to the corrosive action of the liquids, stainless steel, as the material of construction, has been proposed as an alternative to mild steel. the stainless steel reactor would have an initial installed cost of $16000. The scrape value at the...
A reactor, which will contain corrosive liquid, has been design. If the reactor is made of...
A reactor, which will contain corrosive liquid, has been design. If the reactor is made of mild steel, the initial installed cost will be $6000, and the useful life period will be 4 years. Since stainless steel is highly resistant to the corrosive action of the liquids, stainless steel, as the material of construction, has been proposed as an alternative to mild steel. the stainless steel reactor would have an initial installed cost of $16000. The scrape value at the...
7. A bioreactor is treating the NONCONSERVATIVE chemical trichloroethene (TCE). The reactor size is 0.04 m...
7. A bioreactor is treating the NONCONSERVATIVE chemical trichloroethene (TCE). The reactor size is 0.04 m and the flow rate into the reactor is 0.06 L d* (the same as the flow rate leaving the reactor). The concentration of TCE going into the reactor is 40 ng/L and the decay coefficient (K) is 0.07 day Assuming STEADY STATE conditions, determine the TCE concentration (in ng/L, three decimal places) in the bioreactor effluent (solution leaving the reactor). (3 points)
6) Mass balance and reactor design You have been hired as a high priced consultant to...
6) Mass balance and reactor design You have been hired as a high priced consultant to assess the performance of a reactor designed to treat a toxic chemical C to a "safe" level. You are given the following information: Q = 300 m²/d V = 2000 m Influent concentration (Ci) = 500 mg/L Required removal rate = 95% Degradation occurs according to the reaction rate equation r= -dC/dt = kС, where k= 3/d a. What order is this reaction? (2...
An endothermic chemical reaction is conducted in a batch reactor with a heating jacket. A feedstock...
An endothermic chemical reaction is conducted in a batch reactor with a heating jacket. A feedstock of 150 Kg is loaded in the reactor at 20o C and the reaction proceeds for 1 hour. At the end of the process, products are at 100o C.. The reaction absorbs 2300 kJ/kg of material in the reactor. Heat is provided by saturated steam. The steam enters the heating jacket at 250oC and fully condenses. The systems has heat losses equal to 1.5...
Please do Number 5 4. [25] Your company has purchased and installed a chemical reactor for...
Please do Number 5
4. [25] Your company has purchased and installed a chemical reactor for $200,000 with an expected salvage value of $20,000. This chemical reactor has a useful life of 10 years. Develop a Double Declining Balance depreciation schedule without conversion to straight line. Please show book value at the beginning of each year, and convert the depreciation schedule to half year convention. Please show all of your work.
A liquid chemical is pumped from a storage tank open to the atmosphere, into a reactor...
A liquid chemical is pumped from a storage tank open to the atmosphere, into a reactor with pressure of 2.0 atm gauge above the liquid level. The liquid density is 1200 kg/m3 and viscosity is 1.45 cP. The required volumetric flow rate is 1.25 x 103 m/s. The pipeline is 100 m long in total, made of commercial steel pipe, 2 in. size and Schedule 40. The gate valve is wide open. 10 m Reactor Calculate: (a) The discharge velocity...
What is the equations to design Plug Flow Reactor of Adiabatic operation . if the reaction...
What is the equations to design Plug Flow Reactor of Adiabatic operation . if the reaction is in gas phase and first order .Please provide me with all the equation of (volume,material balance for each material,calculate the temperature,Volumetric flowrate,Molar flowrate ,Mass flowrate and conversion )
Need to Design Reactor For ethand decomposition: C_2H_5(g) rightarrow C_2H_4(g) + H_2O(g) the reaction conversion is...
Need to Design Reactor For ethand decomposition: C_2H_5(g) rightarrow C_2H_4(g) + H_2O(g) the reaction conversion is 97%, the Feed is 100 mole/s, Assuming there is no side reactions, the temperature require for this Reaction to take place is 240 C degree, its continuous Reaction, Assume its isobaric reaction: Find the type of Reactor For these conditions (with explanation) Calculate the heat of Reaction Find the pressur saited For these conditions do mass balance Find the temperature out of the Reactor...
A reactor, which will contain corrosive liquid, has been design. If the reactor is made of mild steel, the initial installed cost will be $6000, and the useful life period will be 4 years. Since stainless steel is highly resistant to the corrosive action of the liquids, stainless steel, as the material of construction, has been proposed as an alternative to mild steel. the stainless steel reactor would have an initial installed cost of $16000. The scrape value at the...
7. A bioreactor is treating the NONCONSERVATIVE chemical trichloroethene (TCE). The reactor size is 0.04 m and the flow rate into the reactor is 0.06 L d* (the same as the flow rate leaving the reactor). The concentration of TCE going into the reactor is 40 ng/L and the decay coefficient (K) is 0.07 day Assuming STEADY STATE conditions, determine the TCE concentration (in ng/L, three decimal places) in the bioreactor effluent (solution leaving the reactor). (3 points)
6) Mass balance and reactor design You have been hired as a high priced consultant to assess the performance of a reactor designed to treat a toxic chemical C to a "safe" level. You are given the following information: Q = 300 m²/d V = 2000 m Influent concentration (Ci) = 500 mg/L Required removal rate = 95% Degradation occurs according to the reaction rate equation r= -dC/dt = kС, where k= 3/d a. What order is this reaction? (2...
Please do Number 5
4. [25] Your company has purchased and installed a chemical reactor for $200,000 with an expected salvage value of $20,000. This chemical reactor has a useful life of 10 years. Develop a Double Declining Balance depreciation schedule without conversion to straight line. Please show book value at the beginning of each year, and convert the depreciation schedule to half year convention. Please show all of your work.
A liquid chemical is pumped from a storage tank open to the atmosphere, into a reactor with pressure of 2.0 atm gauge above the liquid level. The liquid density is 1200 kg/m3 and viscosity is 1.45 cP. The required volumetric flow rate is 1.25 x 103 m/s. The pipeline is 100 m long in total, made of commercial steel pipe, 2 in. size and Schedule 40. The gate valve is wide open. 10 m Reactor Calculate: (a) The discharge velocity...
Need to Design Reactor For ethand decomposition: C_2H_5(g) rightarrow C_2H_4(g) + H_2O(g) the reaction conversion is 97%, the Feed is 100 mole/s, Assuming there is no side reactions, the temperature require for this Reaction to take place is 240 C degree, its continuous Reaction, Assume its isobaric reaction: Find the type of Reactor For these conditions (with explanation) Calculate the heat of Reaction Find the pressur saited For these conditions do mass balance Find the temperature out of the Reactor...
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